31263156041 has 24 divisors (see below), whose sum is σ = 34952730624. Its totient is φ = 27931962240.

The previous prime is 31263156013. The next prime is 31263156049. The reversal of 31263156041 is 14065136213.

It is a de Polignac number, because none of the positive numbers 2^k-31263156041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31263155989 and 31263156007.

It is not an unprimeable number, because it can be changed into a prime (31263156049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862220 + ... + 897746.

It is an arithmetic number, because the mean of its divisors is an integer number (1456363776).

Almost surely, 2^31263156041 is an apocalyptic number.

It is an amenable number.

31263156041 is a deficient number, since it is larger than the sum of its proper divisors (3689574583).

31263156041 is a wasteful number, since it uses less digits than its factorization.

31263156041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35721 (or 35708 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 31263156041 in words is "thirty-one billion, two hundred sixty-three million, one hundred fifty-six thousand, forty-one".