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31031664141244 = 2213751794624197
BaseRepresentation
bin1110000111001000111110…
…10100010110001110111100
311001212121011000210012222011
413003210133110112032330
513031410322010004434
6145555425534101004
76351651365036644
oct703443724261674
9131777130705864
1031031664141244
119984500460a18
12359218964a764
1314413727a2830
14793d24c6b524
1538c3112d7e64
hex1c391f5163bc

31031664141244 has 24 divisors (see below), whose sum is σ = 58560624895808. Its totient is φ = 14303235528000.

The previous prime is 31031664141209. The next prime is 31031664141277. The reversal of 31031664141244 is 44214146613013.

It is a junction number, because it is equal to n+sod(n) for n = 31031664141197 and 31031664141206.

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, 397273047 + ... + 397351150.

Almost surely, 231031664141244 is an apocalyptic number.

It is an amenable number.

31031664141244 is a deficient number, since it is larger than the sum of its proper divisors (27528960754564).

31031664141244 is a wasteful number, since it uses less digits than its factorization.

31031664141244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794624965 (or 794624963 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 31031664141244 in words is "thirty-one trillion, thirty-one billion, six hundred sixty-four million, one hundred forty-one thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 751 1502 3004 9763 19526 39052 794624197 1589248394 3178496788 10330114561 20660229122 41320458244 596762771947 1193525543894 2387051087788 7757916035311 15515832070622 31031664141244