Search a number
-
+
31404433132030 = 257448634759029
BaseRepresentation
bin1110010001111111010100…
…00101001100100111111110
311010012020022221101222212011
413020333222011030213332
513104012234340211110
6150442555235201434
76420616062136360
oct710775205144776
9133166287358764
1031404433132030
11a0085aa878022
12363248114627a
13146a56b60986a
147a7da8656d30
15396d7c21948a
hex1c8fea14c9fe

31404433132030 has 16 divisors (see below), whose sum is σ = 64603405300320. Its totient is φ = 10767234216672.

The previous prime is 31404433132013. The next prime is 31404433132043. The reversal of 31404433132030 is 3023133440413.

It is a junction number, because it is equal to n+sod(n) for n = 31404433131983 and 31404433132001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224317379445 + ... + 224317379584.

It is an arithmetic number, because the mean of its divisors is an integer number (4037712831270).

Almost surely, 231404433132030 is an apocalyptic number.

31404433132030 is an abundant number, since it is smaller than the sum of its proper divisors (33198972168290).

31404433132030 is a wasteful number, since it uses less digits than its factorization.

31404433132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448634759043.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 31404433132030 its reverse (3023133440413), we get a palindrome (34427566572443).

The spelling of 31404433132030 in words is "thirty-one trillion, four hundred four billion, four hundred thirty-three million, one hundred thirty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 448634759029 897269518058 2243173795145 3140443313203 4486347590290 6280886626406 15702216566015 31404433132030