31400016029 has 2 divisors, whose sum is σ = 31400016030. Its totient is φ = 31400016028.

The previous prime is 31400016023. The next prime is 31400016077. The reversal of 31400016029 is 92061000413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25763460100 + 5636555929 = 160510^2 + 75077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31400016029 is a prime.

It is a super-2 number, since 2×31400016029² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31400015989 and 31400016007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31400016023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700008014 + 15700008015.

It is an arithmetic number, because the mean of its divisors is an integer number (15700008015).

Almost surely, 2^31400016029 is an apocalyptic number.

It is an amenable number.

31400016029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400016029 is an equidigital number, since it uses as much as digits as its factorization.

31400016029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31400016029 in words is "thirty-one billion, four hundred million, sixteen thousand, twenty-nine".