61314031 has 2 divisors, whose sum is σ = 61314032. Its totient is φ = 61314030.

The previous prime is 61314023. The next prime is 61314037. The reversal of 61314031 is 13041316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61314031 - 2³ = 61314023 is a prime.

It is a super-2 number, since 2×61314031² = 7518820794937922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61314037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30657015 + 30657016.

It is an arithmetic number, because the mean of its divisors is an integer number (30657016).

Almost surely, 2^61314031 is an apocalyptic number.

61314031 is a deficient number, since it is larger than the sum of its proper divisors (1).

61314031 is an equidigital number, since it uses as much as digits as its factorization.

61314031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61314031 is about 7830.3276432088. The cubic root of 61314031 is about 394.3240717989.

Adding to 61314031 its reverse (13041316), we get a palindrome (74355347).

The spelling of 61314031 in words is "sixty-one million, three hundred fourteen thousand, thirty-one".