31011342043 has 24 divisors (see below), whose sum is σ = 36715448000. Its totient is φ = 26087125680.

The previous prime is 31011342031. The next prime is 31011342071. The reversal of 31011342043 is 34024311013.

It is not a de Polignac number, because 31011342043 - 2¹³ = 31011333851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31011342143) 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, 57993 + ... + 255706.

Almost surely, 2^31011342043 is an apocalyptic number.

31011342043 is a deficient number, since it is larger than the sum of its proper divisors (5704105957).

31011342043 is a wasteful number, since it uses less digits than its factorization.

31011342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313783 (or 313772 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31011342043 its reverse (34024311013), we get a palindrome (65035653056).

The spelling of 31011342043 in words is "thirty-one billion, eleven million, three hundred forty-two thousand, forty-three".