31234043377 has 2 divisors, whose sum is σ = 31234043378. Its totient is φ = 31234043376.

The previous prime is 31234043371. The next prime is 31234043383. The reversal of 31234043377 is 77334043213.

It is a balanced prime because it is at equal distance from previous prime (31234043371) and next prime (31234043383).

It can be written as a sum of positive squares in only one way, i.e., 22983772816 + 8250270561 = 151604^2 + 90831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31234043377 is a prime.

It is not a weakly prime, because it can be changed into another prime (31234043371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617021688 + 15617021689.

It is an arithmetic number, because the mean of its divisors is an integer number (15617021689).

Almost surely, 2^31234043377 is an apocalyptic number.

It is an amenable number.

31234043377 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234043377 is an equidigital number, since it uses as much as digits as its factorization.

31234043377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 37.

The spelling of 31234043377 in words is "thirty-one billion, two hundred thirty-four million, forty-three thousand, three hundred seventy-seven".