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31460031430 = 2529108482867
BaseRepresentation
bin11101010011001010…
…011111101111000110
310000012111121011222021
4131103022133233012
51003412232001210
622241425353354
72162415566152
oct352312375706
9100174534867
1031460031430
1112384405283
12611ba9885a
132c74a01c19
141746306062
15c41dcabda
hex75329fbc6

31460031430 has 16 divisors (see below), whose sum is σ = 58580748720. Its totient is φ = 12150080992.

The previous prime is 31460031371. The next prime is 31460031431. The reversal of 31460031430 is 3413006413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31460031395 and 31460031404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31460031431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54241144 + ... + 54241723.

It is an arithmetic number, because the mean of its divisors is an integer number (3661296795).

Almost surely, 231460031430 is an apocalyptic number.

31460031430 is a deficient number, since it is larger than the sum of its proper divisors (27120717290).

31460031430 is a wasteful number, since it uses less digits than its factorization.

31460031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108482903.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31460031430 its reverse (3413006413), we get a palindrome (34873037843).

The spelling of 31460031430 in words is "thirty-one billion, four hundred sixty million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 108482867 216965734 542414335 1084828670 3146003143 6292006286 15730015715 31460031430