31354130026 has 4 divisors (see below), whose sum is σ = 47031195042. Its totient is φ = 15677065012.

The previous prime is 31354130023. The next prime is 31354130029. The reversal of 31354130026 is 62003145313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62003145313 = 113 ⋅548700401.

It is an interprime number because it is at equal distance from previous prime (31354130023) and next prime (31354130029).

It can be written as a sum of positive squares in only one way, i.e., 20128515625 + 11225614401 = 141875^2 + 105951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31354129976 and 31354130003.

It is not an unprimeable number, because it can be changed into a prime (31354130023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7838532505 + ... + 7838532508.

Almost surely, 2^31354130026 is an apocalyptic number.

31354130026 is a deficient number, since it is larger than the sum of its proper divisors (15677065016).

31354130026 is a wasteful number, since it uses less digits than its factorization.

31354130026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677065015.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31354130026 its reverse (62003145313), we get a palindrome (93357275339).

The spelling of 31354130026 in words is "thirty-one billion, three hundred fifty-four million, one hundred thirty thousand, twenty-six".