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31402174203 = 344314960509
BaseRepresentation
bin11101001111101101…
…110010011011111011
310000001110201201210000
4131033231302123323
51003302424033303
622232001324043
72161114035201
oct351755623373
9100043651700
1031402174203
1112354788294
126104636623
132c65a2538a
14173c765071
15c3bc9cda3
hex74fb726fb

31402174203 has 40 divisors (see below), whose sum is σ = 48323286000. Its totient is φ = 20310357312.

The previous prime is 31402174187. The next prime is 31402174241. The reversal of 31402174203 is 30247120413.

It is a happy number.

It is not a de Polignac number, because 31402174203 - 24 = 31402174187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31402174403) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 488713 + ... + 549221.

It is an arithmetic number, because the mean of its divisors is an integer number (1208082150).

Almost surely, 231402174203 is an apocalyptic number.

31402174203 is a deficient number, since it is larger than the sum of its proper divisors (16921111797).

31402174203 is a wasteful number, since it uses less digits than its factorization.

31402174203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60713 (or 60704 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 31402174203 its reverse (30247120413), we get a palindrome (61649294616).

The spelling of 31402174203 in words is "thirty-one billion, four hundred two million, one hundred seventy-four thousand, two hundred three".

Divisors: 1 3 9 27 43 81 129 149 387 447 1161 1341 3483 4023 6407 12069 19221 57663 60509 172989 181527 518967 544581 1633743 2601887 4901229 7805661 9015841 23416983 27047523 70250949 81142569 210752847 243427707 387681163 730283121 1163043489 3489130467 10467391401 31402174203