13121031354 has 16 divisors (see below), whose sum is σ = 26257331520. Its totient is φ = 4371132320.

The previous prime is 13121031349. The next prime is 13121031397. The reversal of 13121031354 is 45313012131.

It is a super-2 number, since 2×13121031354² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625014 + ... + 645665.

It is an arithmetic number, because the mean of its divisors is an integer number (1641083220).

Almost surely, 2^13121031354 is an apocalyptic number.

13121031354 is an abundant number, since it is smaller than the sum of its proper divisors (13136300166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121031354 is a wasteful number, since it uses less digits than its factorization.

13121031354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272405.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13121031354 its reverse (45313012131), we get a palindrome (58434043485).

The spelling of 13121031354 in words is "thirteen billion, one hundred twenty-one million, thirty-one thousand, three hundred fifty-four".